Explain why Mercury, Venus, and Mars are not likely to support life as we know it.

If a lamp has a resistance of 50 ohms and is operated by a p. d. of 10V, find the current flowing through it

Which uses the refractive properties of light to separate it into its different wavelengths? A. white light from the surface of a mirror B. colored light as it travels from a solid medium to a liquid medium C.

A chocolate wrapper is 6.7 cm long and 5.4 cm wide. Calculate its area up to reasonable number of significant figures.

Constants Light of wavelength 640 nm falls on two slits and produces an interference pattern in which the third-order bright red fringe is 46 mm from the central fringe on a screen 2.6 m away.

The coefficients in the following reaction 2Al2O3 → 4Al + 3O2 add up to 7. True or False?

How much force is needed to stretch a spring 1.2 m if the spring constant is 8.5 n/m? 7.1 n 7.3 n 9.7 n 10.2 n

What forces are equal and opposite sides

B. how does the separation between galaxies compare to the separation between stars? based on your answer, discuss the likelihood of galactic collisions in comparison to the likelihood of stellar collisions.

Period vs string length String length (cm) 100cm, 75cm, 50cm, 25cm Each one below matches the strength length above time 10 periods (s) - trial 1 time for 10 periods (s) - trial 2 time for 10 periods (s) - trial 3

How could you determine the instantaneous speed during a trip?